diff options
| author | Dan Gohman <gohman@apple.com> | 2010-06-24 15:24:03 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-06-24 15:24:03 +0000 |
| commit | ee1c8707789ac540ca2d0037d397f39fa91e7571 (patch) | |
| tree | b6fbe0da0293106243ee3c40244e5fb9368e3f2a /lib/CodeGen/SelectionDAG/SelectionDAG.cpp | |
| parent | 102f3851bbde16fdd826d072240731365fe6da5d (diff) | |
Eliminate the other half of the BRCOND optimization, and update
as many tests as possible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106749 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 5719cefb42..cd86f8fc32 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -3015,7 +3015,6 @@ SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, EVT VT, SDValue N1, SDValue N2, SDValue N3) { // Perform various simplifications. ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.getNode()); - ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.getNode()); switch (Opcode) { case ISD::CONCAT_VECTORS: // A CONCAT_VECTOR with all operands BUILD_VECTOR can be simplified to @@ -3045,12 +3044,6 @@ SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, EVT VT, if (N2 == N3) return N2; // select C, X, X -> X break; - case ISD::BRCOND: - if (N2C) { - if (!N2C->getZExtValue()) // Unconditional branch - return N1; // Never-taken branch - } - break; case ISD::VECTOR_SHUFFLE: llvm_unreachable("should use getVectorShuffle constructor!"); break; |